@article{ref1,
title="Occupational health problems among transit workers",
journal="Public health reviews",
year="1987",
author="Guidotti, T. L. and Cottle, M. K.",
volume="15",
number="1-2",
pages="29-44",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0301-0422",
doi="",
url="http://dx.doi.org/"
}